<template>
	<view>
		<!-- 使用自定义的搜索组件 -->
		<view class="search-box">
			<my-search @click="gotoSearch"></my-search>
		</view>
		<!-- 轮播图区域 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item v-for="(item,i) in swiperList" :key="i">
				<navigator :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id" class="swiper-item">
					<image :src="item.image_src" ></image>
				</navigator>
			</swiper-item>
		</swiper>
		<!-- 分类导航区域 -->
		<view class="nav-list">
			<view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
				<image :src="item.image_src" class="nav-img"></image>
			</view>
		</view>
		<!-- 楼层区域 -->
		<view class="floor-list">
			<!-- 楼层 item 项 -->
			<view class="floor-item" v-for="(item,i) in floorList" :key="i">
				<!-- 楼层标题 -->
				<image :src="item.floor_title.image_src" class="floor-title"></image>
				<!-- 楼层图片区域 -->
				<view class="floor-img-box">
					 <!-- 左侧大图片的盒子 -->
					 <navigator class="left-img-box" :url="item.product_list[0].url">
					 	<image :src="item.product_list[0].image_src" mode="widthFix" :style="{width:item.product_list[0].image_width + 'rpx'}"></image>
					 </navigator>
					 <!-- 右侧 4 个小图片的盒子 -->
					 <view class="right-img-box">
					 	<navigator class="right-img-item" :url="item2.url" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !== 0">
					 		<image :src="item2.image_src" mode="widthFix" :style="{width:item2.image_width + 'rpx'}"></image>
					 	</navigator>
					 </view>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	export default {
		mixins:[badgeMix],
		data() {
			return {
				// 轮播图的数据列表，默认为空数组
				swiperList:[],
				// 分类导航的数据列表
				navList: [],
				// 楼层的数据列表
				floorList: []
			};
		},
		onLoad() {
			this.getSwiperList()
			this.getNavList()
			this.getFloorList()
		},
		methods:{
			async getSwiperList() {
				const { data:res } = await uni.$http.get('/api/public/v1/home/swiperdata')
				if(res.meta.status !== 200) return uni.$showMsg()
				this.swiperList = res.message
			},
			async getNavList() {
			    const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
			    if (res.meta.status !== 200) return uni.$showMsg()
			    this.navList = res.message
			},
			async getFloorList() {
			    const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
			    if (res.meta.status !== 200) return uni.$showMsg()
				
				// 通过双层 forEach 循环，处理 URL 地址
				  res.message.forEach(floor => {
				    floor.product_list.forEach(prod => {
				      prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
				    })
				  })
				
			    this.floorList = res.message
			},
			navClickHandler(item){
				if(item.name==='分类'){
					uni.switchTab({
						url:'/pages/cate/cate'
					})
				}
			},
			gotoSearch(){
				uni.navigateTo({
					url:'/subpkg/search/search'
				})
			}
		}
	}
</script>

<style lang="scss">
swiper {
	height: 330rpx;
	
	.swiper-item,
	image{
		width: 100%;
		height: 100%;
	}
}
.nav-list{
	display: flex;
	justify-content: space-around;
	margin: 15px 0;
	
	.nav-img{
		width: 128rpx;
		height: 140rpx;
	}
}
.floor-title {
	height: 60rpx;
	width: 100%;
	display: flex;
}
.floor-img-box{
	display: flex;
	padding-left: 10rpx;
}
.right-img-box{
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
}
.search-box{
	position: sticky;
	top: 0;
	z-index: 999;
}
</style>
